org.apache.poi.poifs.crypt.temp

Class EncryptedTempData

java.lang.Object

org.apache.poi.poifs.crypt.temp.EncryptedTempData

@Beta
public class EncryptedTempData
extends Object

EncryptedTempData can be used to buffer binary data in a secure way, by using encrypted temp files.

Constructor Summary

Constructors

Constructor and Description
EncryptedTempData()

Method Summary

Modifier and Type	Method and Description
void	dispose() Removes the temporarily backing file
InputStream	getInputStream() Returns the input stream for reading the previously written encrypted data
OutputStream	getOutputStream() Returns the output stream for writing the data.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EncryptedTempData

public EncryptedTempData()
                  throws IOException

Throws:

IOException

Method Detail

getOutputStream

public OutputStream getOutputStream()
                             throws IOException

Returns the output stream for writing the data.

Make sure to close it, otherwise the last cipher block is not written completely.

Returns:

the outputstream

Throws:

IOException - if the writing to the underlying file fails

getInputStream

public InputStream getInputStream()
                           throws IOException

Returns the input stream for reading the previously written encrypted data

Returns:

the inputstream

Throws:

IOException - if the reading of the underlying file fails

dispose

public void dispose()

Removes the temporarily backing file